To solve for this, set up a proportion.
21/40 = x/100.
Cross multiply the fraction's numerators with the denominators;
21 x 100, 40 and x.
2100/40x.
Divide both numbers by 40 to get x.
2100/40 = 52.5
21 is 52.5% of 40.
I hope this helps!
Answer:
9x -7
Step-by-step explanation:
8x-6+x-1
Combine like terms
8x +x -6-1
9x -7
The answer is 0.382 a liter
Answer:
1:4
Step-by-step explanation:
3:12
((3×1):(3×4))
=1:4
(would love if you could mark me the brainliest :))
Answer: =-1/2x+-1/2y
Step-by-step explanation:
